The word Regret is misspelled against Regreet, a noun meaning "A return or exchange of salutation."
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Regreet has double "ee" is mispronounced as "e"
Remember double 'EE' in between the strings Regr & t which should not be misspelled with single 'E'
Wrong Spelling:  Regr-e-t 
Correct Spelling:  Regr-ee-t 
Explore spell check of Regreet to spell without errors.